Table 1.

Description of the ICD-9-CM codes related to breast, lung and colorectal cancers

Condition	ICD-9-CM diagnosis code
Breast	Carcinoma in situ: 233.0 Malignant neoplasm of the female breast 174.0 nipple and areola 174.1 central portion 174.2 upper-inner quadrant 174.3 lower-inner quadrant 174.4 upper-outer quadrant 174.5 lower-outer quadrant 174.6 axillary tail 174.8 other specified sites of the female breast 174.9 breast female, unspecified
Lung	Malignant neoplasm of the trachea, bronchus and lung 162.0 Trachea 162.2 main bronchus 162.3 upper lobe, bronchus or lung 162.4 middle lobe, bronchus or lung 162.5 lower lobe, bronchus or lung 162.8 other parts of the bronchus or lung 162.9 bronchus and lung, unspecified
Colorectal	Malignant neoplasm of the colon 153.0 hepatic flexure 153.1 transverse colon 153.2 descending colon 153.3 sigmoid colon 153.4 caecum 153.5 appendix 153.6 ascending colon 153.7 splenic flexure 153.8 other specified sites of the large intestine 153.9 colon, unspecified Malignant neoplasm of the rectum and rectosigmoid junction 154.0 rectosigmoid junction 154.1 rectum 154.8 other

ICD-9-CM, International Classification of Diseases Ninth Revision—Clinical Modification.